diff options
Diffstat (limited to 'src/modules/extrakeys/main_impl.h')
| -rw-r--r-- | src/modules/extrakeys/main_impl.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/modules/extrakeys/main_impl.h b/src/modules/extrakeys/main_impl.h index d319215355..5378d2f301 100644 --- a/src/modules/extrakeys/main_impl.h +++ b/src/modules/extrakeys/main_impl.h @@ -33,6 +33,9 @@ int secp256k1_xonly_pubkey_parse(const secp256k1_context* ctx, secp256k1_xonly_p if (!secp256k1_ge_set_xo_var(&pk, &x, 0)) { return 0; } + if (!secp256k1_ge_is_in_correct_subgroup(&pk)) { + return 0; + } secp256k1_xonly_pubkey_save(pubkey, &pk); return 1; } @@ -121,7 +124,7 @@ int secp256k1_xonly_pubkey_tweak_add_check(const secp256k1_context* ctx, const u secp256k1_fe_normalize_var(&pk.y); secp256k1_fe_get_b32(pk_expected32, &pk.x); - return memcmp(&pk_expected32, tweaked_pubkey32, 32) == 0 + return secp256k1_memcmp_var(&pk_expected32, tweaked_pubkey32, 32) == 0 && secp256k1_fe_is_odd(&pk.y) == tweaked_pk_parity; } |